Tests: Add War Planet Online trace.

Add GL_KHR_texture_compression_astc_ldr prerequisite.

Test: angle_perftests --gtest_filter="*war_planet_online*"
Bug: angleproject:6774
Change-Id: I3d595453a0a570a1af4b1e6673cfc77e4ff9210b
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3420296
Reviewed-by: Cody Northrop <cnorthrop@google.com>
Commit-Queue: Lubosz Sarnecki <lubosz.sarnecki@collabora.com>
diff --git a/DEPS b/DEPS
index f8d8adb..c215a10 100644
--- a/DEPS
+++ b/DEPS
@@ -1726,6 +1726,16 @@
       'dep_type': 'cipd',
       'condition': 'checkout_angle_restricted_traces',
   },
+  'src/tests/restricted_traces/war_planet_online': {
+      'packages': [
+        {
+            'package': 'angle/traces/war_planet_online',
+            'version': 'version:1',
+        },
+      ],
+      'dep_type': 'cipd',
+      'condition': 'checkout_angle_restricted_traces',
+  },
   'src/tests/restricted_traces/whatsapp': {
       'packages': [
         {